CBSE 10th Human Eye and Colorful World 3 Marks Question 2025 for Exam Day

CBSE Class 10 students can check the CBSE 10th Human Eye and Colorful World 3 Marks Question 2025 for Exam Day available here.

Mohith Kumar

Updated on - Feb 6, 2025 | 8:12:00 PM

Get CBSE 10th Human Eye and Colorful World 3 Marks Question 2025 for Exam Day Here (Image Credits: pexels.com).

CBSE 10th Human Eye and Colorful World 3 Marks Question 2025 for Exam Day: The Central Board of Secondary Education (CBSE) will conduct the CBSE Class 10 Science Examination 2025 on February 20, 2025. The exam will be held for 80 marks from 10:30 AM to 01:30 PM. As per the CBSE Class 10 Syllabus 2025, Human Eye and Colorful World is an easy and scoring chapter. Students can check the CBSE 10th Human Eye and Colorful World 3 Marks Question 2025 for Exam Day available below.

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CBSE 10th Human Eye and Colorful World 3 Marks Question 2025 for Exam Day

Get the CBSE Class 10th Human Eye and Colorful World 3 Marks Question 2025 for Exam Day available below.

Explain in brief:
a) What is hypermetropia?
b) What are the two causes of this defect of vision?
Explain the scattering of light?
What is presbyopia? State the causes of this defect. How is the presbyopia of a person corrected?
Why do stars twinkle?
A reporter records the following observations of an astronaut from his spaceship. Justify each statement.
a) The length of the day is the same as observed on the earth.
b) Space appears black.
c) The star appears to twinkle while the planets do not do so as they do on the earth.
A certain person has a minimum distance of distinct vision of 150 cm. He wishes to read at a distance of 25 cm. What focal-length glass should he use? What is the nature of eye defects?
The rainbow is a natural spectrum appearing in the sky after a rain shower.
a) Is it correct to say that a rainbow is always formed in a direction opposite to the sun?
b) Can it be seen on a sunny day?
c) Arrange the sequence in correct sequential order Refraction, Internal Reflection, Refraction & Dispersion.

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